Which condition does the err-disabled status indicate on an Ethernet interface?

Which condition does the err-disabled status indicate on an Ethernet interface?
A . There is a duplex mismatch.
B . The device at the other end of the connection is powered off.
C . The serial interface is disabled.
D . The interface is configured with the shutdown command.
E . Port security has disabled the interface.
F . The interface is fully functioning.

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Answer: E